Greatest Common Factor of 35, 90, 21, 438

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 35, 90, 21, 438 by common division method
• Greatest Common Factor of 35, 90, 21, 438 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 35,90,21,438 . The biggest common factor number is the GCF number.
So the greatest common factor 35,90,21,438 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 87, 63, 14, 612
• GCF of 55, 92, 77, 560
• GCF of 48, 59, 55, 545
• GCF of 25, 24, 57, 134
• GCF of 58, 59, 53, 779

1. What is the GCF of 35, 90, 21, 438?

Answer: GCF of 35, 90, 21, 438 is 1.

2. How to Find the GCF of 35, 90, 21, 438

Answer: Greatest Common Factor(GCF) of 35, 90, 21, 438 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(35, 90, 21, 438) = 1.